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CAPE CANAVERAL, Fla. – Preparations are under way to offload NASA's twin Radiation Belt Storm Probes from a U.S. Air Force C-17 cargo airplane at the Shuttle Landing Facility at NASA’s Kennedy Space Center in Florida. The RBSP mission will help us understand the sun’s influence on Earth and near-Earth space by studying the Earth’s radiation belts on various scales of space and time. The RBSP instruments will provide the measurements needed to characterize and quantify the plasma processes that produce very energetic ions and relativistic electrons. The mission is part of NASA’s broader…